diff --git a/scst/src/scst_pres.c b/scst/src/scst_pres.c
index 80ba46b66..983a2345d 100644
--- a/scst/src/scst_pres.c
+++ b/scst/src/scst_pres.c
@@ -1811,7 +1811,7 @@ void scst_pr_reserve(struct scst_cmd *cmd, uint8_t *buffer, int buffer_size)
 	TRACE_ENTRY();
 
 	key = get_unaligned((__be64 *)&buffer[0]);
-	scope = (cmd->cdb[2] & 0x0f) >> 4;
+	scope = cmd->cdb[2] >> 4;
 	type = cmd->cdb[2] & 0x0f;
 
 	if (buffer_size != 24) {
@@ -1828,7 +1828,7 @@ void scst_pr_reserve(struct scst_cmd *cmd, uint8_t *buffer, int buffer_size)
 		goto out;
 	}
 
-	if (((cmd->cdb[2] & 0x0f) >> 4) != SCOPE_LU) {
+	if (scope != SCOPE_LU) {
 		TRACE_PR("Invalid reservation scope %d", scope);
 		scst_set_invalid_field_in_cdb(cmd, 2,
 			SCST_INVAL_FIELD_BIT_OFFS_VALID | 4);
@@ -1897,7 +1897,7 @@ void scst_pr_release(struct scst_cmd *cmd, uint8_t *buffer, int buffer_size)
 	TRACE_ENTRY();
 
 	key = get_unaligned((__be64 *)&buffer[0]);
-	scope = (cmd->cdb[2] & 0x0f) >> 4;
+	scope = cmd->cdb[2] >> 4;
 	type = cmd->cdb[2] & 0x0f;
 
 	if (buffer_size != 24) {
@@ -2033,7 +2033,7 @@ static void scst_pr_do_preempt(struct scst_cmd *cmd, uint8_t *buffer,
 
 	key = get_unaligned((__be64 *)&buffer[0]);
 	action_key = get_unaligned((__be64 *)&buffer[8]);
-	scope = (cmd->cdb[2] & 0x0f) >> 4;
+	scope = cmd->cdb[2] >> 4;
 	type = cmd->cdb[2] & 0x0f;
 
 	if (!scst_pr_type_valid(type)) {
diff --git a/scst/src/scst_targ.c b/scst/src/scst_targ.c
index 6ba53943f..0097105cf 100644
--- a/scst/src/scst_targ.c
+++ b/scst/src/scst_targ.c
@@ -2274,7 +2274,7 @@ static int scst_persistent_reserve_out_local(struct scst_cmd *cmd)
 
 	/* Check scope */
 	if ((action != PR_REGISTER) && (action != PR_REGISTER_AND_IGNORE) &&
-	    (action != PR_CLEAR) && ((cmd->cdb[2] & 0x0f) >> 4) != SCOPE_LU) {
+	    (action != PR_CLEAR) && (cmd->cdb[2] >> 4) != SCOPE_LU) {
 		TRACE_PR("Scope must be SCOPE_LU for action %x", action);
 		scst_set_cmd_error(cmd,
 			SCST_LOAD_SENSE(scst_sense_invalid_field_in_cdb));